Retaining wall block



FIG. 1 is a rear bottom perspective view;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof, the opposite side being amirror image of FIG. 3 ; and,

FIG. 4 is a front elevational view thereof.

The broken lines depict portions of the “retaining wall block” that formno part of the claimed design.

CLAIM I claim the ornamental design for a retaining wall block, as shownand described.